EP1270034A2 - Inhaler device - Google Patents

Inhaler device Download PDF

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Publication number
EP1270034A2
EP1270034A2 EP02013317A EP02013317A EP1270034A2 EP 1270034 A2 EP1270034 A2 EP 1270034A2 EP 02013317 A EP02013317 A EP 02013317A EP 02013317 A EP02013317 A EP 02013317A EP 1270034 A2 EP1270034 A2 EP 1270034A2
Authority
EP
European Patent Office
Prior art keywords
inhaler
capsule
nosepiece
recess
inhaler device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02013317A
Other languages
German (de)
French (fr)
Other versions
EP1270034B1 (en
EP1270034A3 (en
Inventor
Mauro Citterio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plastiape SpA
Original Assignee
Plastiape SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Plastiape SpA filed Critical Plastiape SpA
Publication of EP1270034A2 publication Critical patent/EP1270034A2/en
Publication of EP1270034A3 publication Critical patent/EP1270034A3/en
Application granted granted Critical
Publication of EP1270034B1 publication Critical patent/EP1270034B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
    • A61M15/003—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up using capsules, e.g. to be perforated or broken-up
    • A61M15/0033—Details of the piercing or cutting means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0028—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up
    • A61M15/003—Inhalators using prepacked dosages, one for each application, e.g. capsules to be perforated or broken-up using capsules, e.g. to be perforated or broken-up
    • A61M15/0033—Details of the piercing or cutting means
    • A61M15/0041—Details of the piercing or cutting means with movable piercing or cutting means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/08—Inhaling devices inserted into the nose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/06—Solids
    • A61M2202/064—Powder

Definitions

  • the present invention relates to an inhaler device.
  • the aim of the present invention is to provide an inhaler device having operating and constructional features improved with respect to those of prior like inhalers.
  • a main object of the present invention is to provide such an inhaler device which can be easily operated, without any efforts, by a user.
  • a further object of the present invention is to provide such an inhaler device which allows the capsule held therein to be perfectly perforated, while reducing the possibility of damaging said capsule or clogging the inhaler.
  • Yet another object of the present invention is to provide such an inhaler device including a small number of component parts.
  • an inhaler device comprising an inhaler body, defining a recess for holding therein a capsule containing a substance to be inhaled and a nosepiece communicating with said capsule, characterized in that said inhaler device further comprises perforating means associated with said inhaler body and adapted to perforate said capsule to allow an outside air flow to be mixed with the contents of said capsule for inhalation through said nosepiece.
  • the inhaler device which has been generally indicated by the reference number 1, comprises an inhaler nosepiece 3, including a flange 4, having a peg 5 which can be engaged in a corresponding hole 6 formed in an inhaler body 2.
  • the hole 6 is provided with a longitudinal slot 7, in which can engage a cross tooth 8 of the peg 5, and a bottom ring-like recess, not specifically shown, in which the tooth 8 can slide.
  • the inhaler nosepiece 3 can be locked in its closed condition, shown in figures 3-6, by a snap type of locking means, including a hook portion 18 of the flange 4 having a small ridge, not shown, for engaging a corresponding ridge 20 formed inside a latching recess 19, defined in the inhaler body 2.
  • the inhaler body 2 is moreover provided with a recess for the capsule, said recess being upward opened and communicating with the outside through a perforated plate or grid 11, included in the inhaler nosepiece 3 at said flange 4 and designed for separating the capsule recess 9 from the duct 12 of the nosepiece.
  • a capsule 13 can be engaged in said recess 9, said capsule being of a per se known type and adapted to be perforated to allow the drug contents held therein to be easily accessed, said perforating operation being performed by any suitable perforating means.
  • the perforating means comprise a pair of perforating needles 14 which can transversely slide as counter-urged by resilient elements comprising, in this embodiment, coil springs 15, coaxial with said perforating needles 14 and operating between respective abutment element 16, rigid with the inhaler body 2, and a hollow push-button element 17.
  • the perforating needless 14 are similar to hypodermic needles and have a beveled tip, for facilitating said perforating needles 14 in perforating the coating of the capsule 13.
  • the operation of the inhaler device according to the present invention is as follows.
  • the perforating needles 14 By pressing the push-button elements 17, the perforating needles 14 will perforate the capsule 13, thereby its contents, usually a fine powder, will be communicated with the capsule recess.
  • the invention provides an inhaler device which is very simple construction-wise and can operate in a very satisfactory manner.
  • a further advantage of the inhaler device according to the invention is the specifically designed configuration of the perforating needles which can be assimilated; as stated, to hypodermic needles.
  • the used materials, and their size and shapes can be any, depending on the requirements.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Medicinal Preparation (AREA)
  • External Artificial Organs (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Cosmetics (AREA)

Abstract

An inhaler device (1) comprises an inhaler body (2) defining a recess (9) for a capsule (13) holding herein, a substance to be inhaled, and a nosepiece (3) communicating with the capsule (13), and a perforating element (14) coupled to the inhaler body (2) and provided for perforating the capsule (13) for allowing an outside air flow to be mixed with the capsule contents and inhaled through the nosepiece (3).

Description

BACKGROUND OF THE INVENTION
The present invention relates to an inhaler device.
Inhaler devices for inhaling the contents of a capsule, for medical uses, are already known.
Available inhalers, however, are not fully satisfactory from an operating and economic standpoint and, accordingly, they would be susceptible to improvements.
In fact prior inhaler devices are very complex construction-wise, and accordingly very expensive and, moreover, they are affected by frequent operating malfunctions.
SUMMARY OF THE INVENTION
Accordingly, the aim of the present invention is to provide an inhaler device having operating and constructional features improved with respect to those of prior like inhalers.
Within the scope of the above mentioned aim, a main object of the present invention is to provide such an inhaler device which can be easily operated, without any efforts, by a user.
A further object of the present invention is to provide such an inhaler device which allows the capsule held therein to be perfectly perforated, while reducing the possibility of damaging said capsule or clogging the inhaler.
Yet another object of the present invention is to provide such an inhaler device including a small number of component parts.
According to one aspect of the present invention, the above mentioned aim and objects, as well as yet other objects, which will become more apparent hereinafter, are achieved by an inhaler device, comprising an inhaler body, defining a recess for holding therein a capsule containing a substance to be inhaled and a nosepiece communicating with said capsule, characterized in that said inhaler device further comprises perforating means associated with said inhaler body and adapted to perforate said capsule to allow an outside air flow to be mixed with the contents of said capsule for inhalation through said nosepiece.
BRIEF DESCRIPTION OF THE DRAWINGS
Further characteristics and advantages of the present invention will become more apparent hereinafter from the following detailed disclosure of a preferred, though not exclusive, embodiment of the invention, which is illustrated, by way of an indicative, but not limitative example, in the accompanying drawings, where:
  • Figure 1 is an exploded perspective view of the inhaler device according to the invention;
  • Figure 2 is a further perspective view of the inhaler device according to the invention shown in an open condition thereof, i.e. in the capsule loading position thereof;
  • Figure 3 is a view similar to figure 2, but illustrating the inhaler device according to the present invention during the use thereof;
  • Figure 4 is an elevation cross-sectional view of the inhaler device, shown with a capsule arranged therein, but in a non perforated condition;
  • Figure 5 is a view similar to figure 4, but illustrating the inhaler device according to the present invention during the capsule perforating operation; and
  • Figure 6 is a top plan view, as partially cross-sectioned, of the inhaler device according to the present invention.
    • DESCRIPTION OF THE PREFERRED EMBODIMENTS
    With reference to the number reference of the above mentioned figures, the inhaler device, according to the present invention, which has been generally indicated by the reference number 1, comprises an inhaler nosepiece 3, including a flange 4, having a peg 5 which can be engaged in a corresponding hole 6 formed in an inhaler body 2.
    The hole 6 is provided with a longitudinal slot 7, in which can engage a cross tooth 8 of the peg 5, and a bottom ring-like recess, not specifically shown, in which the tooth 8 can slide.
    Thus, it is possible to engage the peg 5 in said hole, by causing the tooth 8 to pass through the slot 7 and, upon achieving the bottom, it is possible to fully rotate the peg 5 in its hole 6, thereby also rotating the inhaler nosepiece 3 with respect to the inhaler body 2.
    The inhaler nosepiece 3 can be locked in its closed condition, shown in figures 3-6, by a snap type of locking means, including a hook portion 18 of the flange 4 having a small ridge, not shown, for engaging a corresponding ridge 20 formed inside a latching recess 19, defined in the inhaler body 2.
    The inhaler body 2 is moreover provided with a recess for the capsule, said recess being upward opened and communicating with the outside through a perforated plate or grid 11, included in the inhaler nosepiece 3 at said flange 4 and designed for separating the capsule recess 9 from the duct 12 of the nosepiece.
    A capsule 13 can be engaged in said recess 9, said capsule being of a per se known type and adapted to be perforated to allow the drug contents held therein to be easily accessed, said perforating operation being performed by any suitable perforating means.
    In the disclosed embodiment, the perforating means comprise a pair of perforating needles 14 which can transversely slide as counter-urged by resilient elements comprising, in this embodiment, coil springs 15, coaxial with said perforating needles 14 and operating between respective abutment element 16, rigid with the inhaler body 2, and a hollow push-button element 17.
    The perforating needless 14 are similar to hypodermic needles and have a beveled tip, for facilitating said perforating needles 14 in perforating the coating of the capsule 13.
    The operation of the inhaler device according to the present invention is as follows.
    In the open condition, as shown in figure 2, a capsule is engaged in the capsule recess 9 and the nosepiece 3 is snap closed on the inhaler body 2.
    By pressing the push-button elements 17, the perforating needles 14 will perforate the capsule 13, thereby its contents, usually a fine powder, will be communicated with the capsule recess.
    By applying suction on the nosepiece 3, an air flow will be generated which, coming from the outside through the holes 10, will enter the capsule recess, thereby mixing with the capsule contents and, passing through the grid 11 and duct 12, will allow the products to be inhaled.
    It has been found that the invention fully achieves the intended aim and objects.
    In fact, the invention provides an inhaler device which is very simple construction-wise and can operate in a very satisfactory manner.
    A further advantage of the inhaler device according to the invention is the specifically designed configuration of the perforating needles which can be assimilated; as stated, to hypodermic needles.
    Since this type of needle presents a very small resistance against perforation and a very accurate operation, it is possible to use needles having a comparatively large diameter, without damaging the capsule, thereby providing a very simple perforating operation.
    The use of small number of perforating needles, only two in the preferred embodiment, allows to reduce, the perforated cross section being the same, the contact surface between the needle and capsule, with a consequent reduction of the friction and of the problems affecting the prior inhalers.
    In practicing the invention, the used materials, and their size and shapes, can be any, depending on the requirements.

    Claims (8)

    1. An inhaler device, comprising an inhaler body, defining a recess for holding therein a capsule containing a substance to be inhaled and a nosepiece communicating with said capsule, characterized in that said inhaler device further comprises perforating means associated with said inhaler body and adapted to perforate said capsule to allow an outside air flow to be mixed with the contents of said capsule for inhalation through said nosepiece.
    2. An inhaler device according to Claim 1, characterized in that said perforating means comprise perforating needles designed for transversely sliding against the biassing of resilient elements and operating between an abutment element, rigid with said inhaler body and a corresponding operating push-button element, each perforating needle having a contour similar to that of a hypodermic needle, including a beveled tip, for facilitating a perforation of a coating of said capsule.
    3. An inhaler device according to Claim 1, characterized in that said nosepiece is movable with respect to said inhaler body to provide at least two operating condition, i.e. an open condition in which the recess for said capsule can be accessed to engage therein a new capsule or to withdraw therefrom a used capsule, and a closed use condition in which said inhaler nosepiece can be snap locked.
    4. An inhaler device according to Claim 3, characterized in that said inhaler nosepiece can be locked in its closure position by a snap locking means including a hook portion of a flange of said nosepiece, having a corresponding ridge formed inside a latching seat formed in said inhaler body.
    5. An inhaler device according to Claim 1, characterized in that the recess for said capsule of said inhaler body communicates with the outside through a perforated plate or grid provided in said inhaler nosepiece at said flange and adapted to separate the capsule recess from a duct of said nosepiece, said capsule recess having a bottom communicating with the outside through one or more air inlet holes.
    6. An inhaler device according to Claim 4, characterized in that said flange of said inhaler nosepiece comprises a peg which can be engaged in a hole formed in said inhaler body.
    7. An inhaler device according to Claim 6, characterized in that said hole comprises a longitudinal slot therethrough can pass a transversal tooth of said peg, and that said hole comprises a bottom annular recess in which said tooth can slide, thereby allowing said peg to be engaged in said hole.
    8. An inhaler device according to Claim 7, characterized in that said pin can rotate in said hole and said nosepiece can rotate with respect to said inhaler body.
    EP02013317A 2001-06-28 2002-06-18 Inhaler device Expired - Lifetime EP1270034B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    IT2001MI000357U ITMI20010357U1 (en) 2001-06-28 2001-06-28 INHALER DEVICE
    ITMI20010357U 2001-06-28

    Publications (3)

    Publication Number Publication Date
    EP1270034A2 true EP1270034A2 (en) 2003-01-02
    EP1270034A3 EP1270034A3 (en) 2003-01-08
    EP1270034B1 EP1270034B1 (en) 2006-06-28

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP02013317A Expired - Lifetime EP1270034B1 (en) 2001-06-28 2002-06-18 Inhaler device

    Country Status (9)

    Country Link
    US (1) US7284552B2 (en)
    EP (1) EP1270034B1 (en)
    JP (1) JP2003024443A (en)
    AT (1) ATE331546T1 (en)
    AU (1) AU782923B2 (en)
    CA (1) CA2391466C (en)
    DE (1) DE60212764T2 (en)
    ES (1) ES2266350T3 (en)
    IT (1) ITMI20010357U1 (en)

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    Publication number Priority date Publication date Assignee Title
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    AU782923B2 (en) 2005-09-08
    AU4887802A (en) 2003-01-02
    ITMI20010357V0 (en) 2001-06-28
    DE60212764D1 (en) 2006-08-10
    US7284552B2 (en) 2007-10-23
    EP1270034B1 (en) 2006-06-28
    CA2391466C (en) 2007-09-25
    ES2266350T3 (en) 2007-03-01
    JP2003024443A (en) 2003-01-28
    DE60212764T2 (en) 2007-07-05
    ATE331546T1 (en) 2006-07-15
    ITMI20010357U1 (en) 2002-12-30
    CA2391466A1 (en) 2002-12-28
    US20030000523A1 (en) 2003-01-02
    EP1270034A3 (en) 2003-01-08

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